An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Ivanhoe JR, Plummer KD.Ivanhoe JR, et al. Among authors: plummer kd.Dent Clin North Am. 2004 Jul;48(3):667-83, vi. doi: 10.1016/j.cden.2004.03.008.Dent Clin North Am. 2004.PMID: 15261799Review.